Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
26
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.11 μg/m³
0
55
155
255
425
605+
27.92 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
9.96 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union City, New Jersey
Union City, New Jersey
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AQI 30
Good
2.92μg/m³
PM2.5
12.07μg/m³
PM10
31.91ppb
O3
0.71ppb
SO2
9.67ppb
NO2
0.39ppm
CO
AQI 30
Good
3.04μg/m³
PM2.5
12.60μg/m³
PM10
31.80ppb
O3
0.71ppb
SO2
9.87ppb
NO2
0.39ppm
CO
AQI 30
Good
3.14μg/m³
PM2.5
13.11μg/m³
PM10
31.68ppb
O3
0.70ppb
SO2
10.02ppb
NO2
0.39ppm
CO
AQI 30
Good
2.92μg/m³
PM2.5
12.00μg/m³
PM10
31.72ppb
O3
0.73ppb
SO2
10.49ppb
NO2
0.41ppm
CO
AQI 30
Good
3.14μg/m³
PM2.5
13.11μg/m³
PM10
31.68ppb
O3
0.70ppb
SO2
10.02ppb
NO2
0.39ppm
CO
AQI 30
Good
2.73μg/m³
PM2.5
11.19μg/m³
PM10
31.54ppb
O3
0.76ppb
SO2
11.30ppb
NO2
0.45ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 02:00:00 on 2026-01-24.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 02:00:00 on 2026-01-24.
As of now, the AQI in Union City, New Jersey is 30, indicating Good conditions.
Union City, New Jersey air has the highest levels of O3.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 2.898 μg/m3.
The PM10 concentration in Union City, New Jersey is 11.989 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.378 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.703 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 32.035 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 9.225 ppb.
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